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ES 16 " f/4.5 杜蘇望遠鏡

ES 16 " f/4.5 杜蘇望遠鏡

CN¥10,200.00
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Description

Explore Scientific。D= 406mm,F=1826mm,焦比 4.5,天文愛好者目視首選望遠鏡


Eyepiece Height while pointing at zenith approximately 1.63m 
16“ Total net weight : 38.4 kg 
16“ Mirror Box : 23.8kg 
16“ Secondary Cage + Rockerbox : 10.5 kg
16“ 4 Truss pairs : 2.5kg 
16“ Altitude Wheels : 1.6kg


Optical design

Newtonian Reflector

Mount Type

Dobson

Objective diameter (mm)

406

Focal length (mm)

1826

Magnification (with included accessories) up to

800

Secondary mirror diameter (mm)

88

Obstruction (%)

25

Primary mirror diameter (mm)

406

Material OTA

Metal

Field of application

Deep Sky Observation

Lunar observation

Planetary observation

Finderscope

LED-Red Dot Finder

Focusing system

2" Rack-and-Pinion Focuser with helical gearing and 10:1 reduction

Material Primary mirror

BK-7

Warranty (Years)

3

Focus Group

Advanced Amateurs

Visual enthusiasts

Power supply

12V Batteries or mains adapter

Rain/Dust protection caps

Dust protection caps for open aperture and eyepiece holder

Aperture ratio

4.5

Angular resolution (arc seconds)

0.32

Mount type

Dobson

Transportability

very good

Colour

black

 


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